| Countries With No Rivers | 0 | - | 4.96 | 75,997 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,185 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,379 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,798 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,559 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,647 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,195 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,848 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,346 |
| Countries with Fjords | 0 | - | 4.93 | 100,169 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,251 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,155 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,661 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,299 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,731 |
| World's Longest Rivers | 0 | - | 4.87 | 120,988 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 161,641 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,141 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,728 |
| North Sea Countries | 0 | - | 4.92 | 86,574 |
| Black Sea Countries | 0 | - | 4.87 | 60,312 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 64,988 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,084 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,932 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,057 |
| Seas on the World Map | 0 | - | 4.96 | 133,739 |
| Seas of the World | 0 | - | 5.00 | 154,144 |
| Biggest City by River | 0 | - | 4.41 | 52,686 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,414 |
| African Great Lakes | 0 | - | 4.82 | 65,068 |
| Megadiverse Countries | 0 | - | 4.97 | 133,843 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,324 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,601 |
| Geologic Time Scale | 0 | - | 4.46 | 9,906 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,899 |
| Biggest Lakes in the World | 0 | - | 4.62 | 88,966 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,085 |
| Famous Rivers | 0 | - | 4.74 | 104,478 |
| City to River #1 | 0 | - | 4.59 | 35,741 |
| Most Populous River Basins | 0 | - | 4.61 | 39,535 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,098 |
| Largest City by Island | 0 | - | 4.87 | 70,975 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,729 |
| African Island Countries | 0 | - | 4.96 | 100,691 |
| Islands by Country #1 | 0 | - | 4.87 | 174,418 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,146 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,139 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,443 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,265 |
| Richest Island Countries | 0 | - | 4.84 | 99,425 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,978 |
| Rivers on Borders | 0 | - | 4.02 | 22,633 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 29,975 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,905 |
| Rivers by City | 0 | - | 4.38 | 31,625 |
| City to River #2 - Difficult | 0 | - | 4.63 | 25,751 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,917 |
| Boundary Waters | 0 | - | 4.92 | 88,008 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,790 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,201 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,870,324 |
| Landlocked Countries | 0 | - | 4.99 | 413,074 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,760 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,789 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,048 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,115 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,121 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,929 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,501 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,864 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,249 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,341 |
| Himalayan Countries | 0 | - | 4.95 | 135,128 |
| Andean Countries | 0 | - | 4.94 | 82,712 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,127 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,049 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,802 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,505 |
| Danube Countries | 0 | - | 4.97 | 71,019 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,682 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,477 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,337 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,256 |
| European Landlocked Countries | 0 | - | 4.99 | 145,691 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,093 |
| Countries with the Most Species | 0 | - | 4.99 | 95,208 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,245 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,183 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,341 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,919 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,534 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,892 |
| Countries in the Alps | 0 | - | 4.87 | 116,722 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,501 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,128 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,961 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,351 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,085 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,946 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,499 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,705 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,722 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,995 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,174 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,008 |
| Asian Island Nations | 0 | - | 4.63 | 93,710 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,391 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,696 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,931 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,584 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,214 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,712 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,946 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,440 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,558 |
| Largest Countries By Category | 0 | - | 4.97 | 156,660 |
| Countries by Countries | 0 | - | 4.96 | 62,191 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,268 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,941 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,309 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,688 |
| Islands by Country #2 | 0 | - | 4.80 | 76,951 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,484 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,671 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,653 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,465 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,701 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,044 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,498 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,219 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,430 |
| Rivers A-Z | 0 | - | 4.35 | 32,671 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,212 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,566 |
| Longest International Borders | 0 | - | 4.99 | 263,413 |
| Countries with Three Borders | 0 | - | 4.96 | 36,143 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,572 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,623 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,902 |
| Demonym of Every Country | 0 | - | 4.91 | 58,585 |
| Islands A-Z | 0 | - | 4.46 | 116,674 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,251 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,594 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,910 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,124 |
| Island Countries | 0 | - | 4.99 | 707,344 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,656 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,651 |
| Northernmost Countries | 0 | - | 4.99 | 357,381 |
| Countries of South America | 0 | - | 5.00 | 913,772 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,108 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,043 |
| "Land" Countries | 0 | - | 4.98 | 333,479 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,446 |
| All Country Flags of the World | 0 | - | 5.00 | 3,596,328 |
| Top World Languages | 0 | - | 4.92 | 812,272 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,882 |
| Asian Islands | 0 | - | 4.49 | 20,763 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,422 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,137 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,406 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,920 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,355 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,922 |
| Countries with Megacities | 0 | - | 4.99 | 246,335 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,846 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,762 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,711 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,297 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,704 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,584 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,631 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,841 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,588 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,540 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,504 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,267 |
| Countries by Capital City | 0 | - | 5.00 | 66,505 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,244 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,834 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,083 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,358 |
| Capital Cities Nearest to Islands | 0 | - | 4.55 | 13,242 |
| Moved Capital Cities | 0 | - | 4.96 | 73,534 |
| Capitals by River | 0 | - | 4.55 | 48,223 |
| Countries by Official Language | 0 | - | 4.95 | 192,631 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,947 |
| Countries in their Native Language | 0 | - | 4.99 | 196,508 |
| Independence from Whom | 0 | - | 4.99 | 209,535 |
| Subdivisions by Country | 0 | - | 4.86 | 50,039 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,621 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,683 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,888 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,382 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,573 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,953 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,624 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,081 |
